1.   The national assessment system will serve several purposes.

2.   The system serves people with severe and persistent mental illnesses who lack private health insurance.

3.   -- The two school systems serve different kinds of students and have different management and educational philosophies.

4.   Both pass through Chechnya, where one system serves Russia and the other the export market, via the Russian Black Sea port of Novorossisk.

5.   But safety advocates say the current system does not serve consumers.

6.   But Time Warner could ultimately be a powerful contender in New York, given that its cable systems already serve one million subscribers in the city.

7.   Currently, separate computer systems serve finance and payroll, student accounts and registration, and alumni functions.

8.   Elsewhere, an upper level low pressure system will serve to draw moisture north into eastern Arizona and western New Mexico, causing clouds and isolated thunderstorms.

9.   For the most part, our political system has served us well.

10.   Giuliani, however, acts as if the system serves some other city.